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Main switchboard (MSB)

 

Sang Tao Main Switchboards are designed according to IEC 61439. The switchgear, busbars, bracket systems, Which are arranged in a reasonable manner and facilitate the transport, connection, operation and expansion.

 

Applications:

  • The industrial buildings, factory, workshops
  • Commercial center, office buildings
  • Condominium, hospitals, schools
  • Port, Airport

 

 

 

Main Characteristics

Electrical characteristics

Standards

IEC 61439-1/2

Rated operation voltage (Ue) VAC

400/ 690

Rated insulation voltage (Ui) V

1000

Rated impulse withstand voltage (Uimp) Kv

9.8/ 8

Frequency (Hz)

50/60

Rated current (In A)

up to 6300

Peak withstand current (Ipk kA)

up to 220

Rated Short-time withstand current (Icw)

up to 100 kA/1s

Mechanical Characteristics

Internal separation

Form 2b/ 3b/ 4a/ 4b

Degree of protection

IP 31/ 42/ 54

Enclosure material

Steel sheet

Color

RAL 7032, 7035

Type of Installation

Floor mounted

Operation

Indoor/ Outdoor

Dimensions

Height: 2000, 2200
Width: 600, 800, 1200, 1400
Depth: 600, 800, 1000, 1200, 1600

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